U.S. to International Page Size Conversion

The chart below is a quick reference guide to ANSI international standard and U.S. paper sizes. In the international community, the most frequently used paper size is A4. An A4 document compared to a standard U.S. Letter document has more height and a little less width. For a detailed explanation about International paper sizes, Markus Kuhn’s article International Standard Paper Sizes is a great resource.

Page SizesU.S.Int’linches (in)millimeters (mm)
Legal8.5×14 8.5×14210×356
Half Letter8.5×5.5A55.83×8.27148×210
Business Card3.5×2 3.35×2.1385×54
U.S. - to International Page Sizes - A4 and A5 Page Sizes

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